bond: Add support for multiple network namespaces
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index f924a0b..a59094f 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -35,6 +35,8 @@
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include <linux/nsproxy.h>
#include "bonding.h"
@@ -47,12 +49,14 @@
*/
static ssize_t bonding_show_bonds(struct class *cls, char *buf)
{
+ struct net *net = current->nsproxy->net_ns;
+ struct bond_net *bn = net_generic(net, bond_net_id);
int res = 0;
struct bonding *bond;
rtnl_lock();
- list_for_each_entry(bond, &bond_dev_list, bond_list) {
+ list_for_each_entry(bond, &bn->dev_list, bond_list) {
if (res > (PAGE_SIZE - IFNAMSIZ)) {
/* not enough space for another interface name */
if ((PAGE_SIZE - res) > 10)
@@ -69,11 +73,12 @@
return res;
}
-static struct net_device *bond_get_by_name(const char *ifname)
+static struct net_device *bond_get_by_name(struct net *net, const char *ifname)
{
+ struct bond_net *bn = net_generic(net, bond_net_id);
struct bonding *bond;
- list_for_each_entry(bond, &bond_dev_list, bond_list) {
+ list_for_each_entry(bond, &bn->dev_list, bond_list) {
if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0)
return bond->dev;
}
@@ -91,6 +96,7 @@
static ssize_t bonding_store_bonds(struct class *cls,
const char *buffer, size_t count)
{
+ struct net *net = current->nsproxy->net_ns;
char command[IFNAMSIZ + 1] = {0, };
char *ifname;
int rv, res = count;
@@ -104,7 +110,7 @@
if (command[0] == '+') {
pr_info(DRV_NAME
": %s is being created...\n", ifname);
- rv = bond_create(ifname);
+ rv = bond_create(net, ifname);
if (rv) {
pr_info(DRV_NAME ": Bond creation failed.\n");
res = rv;
@@ -113,7 +119,7 @@
struct net_device *bond_dev;
rtnl_lock();
- bond_dev = bond_get_by_name(ifname);
+ bond_dev = bond_get_by_name(net, ifname);
if (bond_dev) {
pr_info(DRV_NAME ": %s is being deleted...\n",
ifname);
@@ -238,8 +244,7 @@
/* Got a slave name in ifname. Is it already in the list? */
found = 0;
- /* FIXME: get netns from sysfs object */
- dev = __dev_get_by_name(&init_net, ifname);
+ dev = __dev_get_by_name(dev_net(bond->dev), ifname);
if (!dev) {
pr_info(DRV_NAME
": %s: Interface %s does not exist!\n",